1. Experimental and clinical studies on digestion, absorption, and utilization of lactulose;Tanaka;Bull Kobe Med Coll,1962
2. Inability of the human small-intestinal lactase to hydrolyze lactulose;Dahlqvist;Biochem Biophys Acta,1965
3. Investigations on the mode of action of lactulose (/3-galactosido-fruc-tose) in human intestine;Hoffman;Klin Wschr,1964
4. A clinical investigation of fecal pH in geriatric constipation: corrective therapy;Calloway;J Am Geriatrics Soc,1964
5. A clinical study of fecal pH in pediatric constipation;Crawford;Illinois Med J,1965